Jamieson, Fausset and Brown on Jeremiah 15:4

4. cause ... to be removed--(De 28:25; Eze 23:46). Rather, "I will give them up to vexation," I will cause them to wander so as nowhere to have repose [Calvin]; (2Ch 29:8, "trouble;" Margin, "commotion").

because of Manasseh--He was now dead, but the effects of his sins still remained. How much evil one bad man can cause! The evil fruits remain even after he himself has received repentance and forgiveness. The people had followed his wicked example ever since; and it is implied that it was only through the long-suffering of God that the penal consequences had been suspended up to the present time (compare 1Ki 14:16; 2Ki 21:11; 23:26; 24:3, 4).